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A ray of red light in air (A=650 nm) is incident on a semicircular block of clear plastic (n= 1.51 for this light), as shown above. The ray strikes the block at its center of curvature at an angle of incidence of 27°. Part of the incident ray is reflected and part is refracted at the first interface. On paper, print or redraw the figure seen. A. Determine the angle of reflection at the first interface. Draw and clearly label the reflected ray on the diagram. B. Determine the angle of refraction at the first interface. Draw and clearly label the refracted ray on the diagram. C. Determine the speed of the light in the plastic block. D. Determine the wavelength of the light in the plastic block. E. The light exits the plastic through the semicircular side. Draw in the ray showing the light exiting back into the air. If any, what will the angle change be as it enters the air? Justify.

A ray of red light in air (A=650 nm) is incident on a semicircular block of clear plastic (n= 1.51 for this light), as shown above. The ray strikes the block at its center of curvature at an angle of incidence of 27°. Part of the incident ray is reflected and part is refracted at the first interface. On paper, print or redraw the figure seen. A. Determine the angle of reflection at the first interface. Draw and clearly label the reflected ray on the diagram. B. Determine the angle of refraction at the first interface. Draw and clearly label the refracted ray on the diagram. C. Determine the speed of the light in the plastic block. D. Determine the wavelength of the light in the plastic block. E. The light exits the plastic through the semicircular side. Draw in the ray showing the light exiting back into the air. If any, what will the angle change be as it enters the air? Justify.

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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A ray of red light in air (=650 nm) is incident on a semicircular block of clear plastic (n = 1.51 for this light), as shown above. The ray strikes the block at its center of curvature at an angle of incidence of 27°. Part of the incident ray is reflected and part is refracted at the first interface. On paper, print or redraw the figure seen. A. Determine the angle of reflection at the first interface. Draw and clearly label the reflected ray on the diagram. B. Determine the angle of refraction at the first interface. Draw and clearly label the refracted ray on the diagram. C. Determine the speed of the light in the plastic block. D. Determine the wavelength of the light in the plastic block. E. The light exits the plastic through the semicircular side. Draw in the ray showing the light exiting back into the air. If any, what will the angle change be as it enters the air? Justify.
Transcribed Image Text:A ray of red light in air (=650 nm) is incident on a semicircular block of clear plastic (n = 1.51 for this light), as shown above. The ray strikes the block at its center of curvature at an angle of incidence of 27°. Part of the incident ray is reflected and part is refracted at the first interface. On paper, print or redraw the figure seen. A. Determine the angle of reflection at the first interface. Draw and clearly label the reflected ray on the diagram. B. Determine the angle of refraction at the first interface. Draw and clearly label the refracted ray on the diagram. C. Determine the speed of the light in the plastic block. D. Determine the wavelength of the light in the plastic block. E. The light exits the plastic through the semicircular side. Draw in the ray showing the light exiting back into the air. If any, what will the angle change be as it enters the air? Justify.
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only parts A, B, and C were answered, I am still confused on part E, what is the angle at that point?

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